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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Richard Cochran , linux-kernel@vger.kernel.org (open list) Subject: [PATCH net-next] net: phy: microchip_rds_ptp: simplify allocation Date: Sun, 15 Mar 2026 14:45:27 -0700 Message-ID: <20260315214527.4113-1-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Simplifies allocations by using a flexible array member in this struct. Remove memset as it's now allocated by kzalloc. Signed-off-by: Rosen Penev --- drivers/net/phy/microchip_rds_ptp.c | 10 ++-------- drivers/net/phy/microchip_rds_ptp.h | 2 +- 2 files changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/net/phy/microchip_rds_ptp.c b/drivers/net/phy/microchip_rds_ptp.c index 2ad95d5c9d86..4e6ed11f9334 100644 --- a/drivers/net/phy/microchip_rds_ptp.c +++ b/drivers/net/phy/microchip_rds_ptp.c @@ -1246,7 +1246,8 @@ struct mchp_rds_ptp_clock *mchp_rds_ptp_probe(struct phy_device *phydev, u8 mmd, struct mchp_rds_ptp_clock *clock; int rc; - clock = devm_kzalloc(&phydev->mdio.dev, sizeof(*clock), GFP_KERNEL); + clock = devm_kzalloc(&phydev->mdio.dev, + struct_size(clock, pin_config, MCHP_RDS_PTP_N_PIN), GFP_KERNEL); if (!clock) return ERR_PTR(-ENOMEM); @@ -1255,17 +1256,10 @@ struct mchp_rds_ptp_clock *mchp_rds_ptp_probe(struct phy_device *phydev, u8 mmd, clock->mmd = mmd; mutex_init(&clock->ptp_lock); - clock->pin_config = devm_kmalloc_array(&phydev->mdio.dev, - MCHP_RDS_PTP_N_PIN, - sizeof(*clock->pin_config), - GFP_KERNEL); - if (!clock->pin_config) - return ERR_PTR(-ENOMEM); for (int i = 0; i < MCHP_RDS_PTP_N_PIN; ++i) { struct ptp_pin_desc *p = &clock->pin_config[i]; - memset(p, 0, sizeof(*p)); snprintf(p->name, sizeof(p->name), "pin%d", i); p->index = i; p->func = PTP_PF_NONE; diff --git a/drivers/net/phy/microchip_rds_ptp.h b/drivers/net/phy/microchip_rds_ptp.h index 25af68337b94..f5c6ab585fff 100644 --- a/drivers/net/phy/microchip_rds_ptp.h +++ b/drivers/net/phy/microchip_rds_ptp.h @@ -199,7 +199,7 @@ struct mchp_rds_ptp_clock { u8 mmd; int mchp_rds_ptp_event; int event_pin; - struct ptp_pin_desc *pin_config; + struct ptp_pin_desc pin_config[]; }; struct mchp_rds_ptp_rx_ts { -- 2.53.0